540220025 has 24 divisors (see below), whose sum is σ = 683185440. Its totient is φ = 423671040.

The previous prime is 540219997. The next prime is 540220039. The reversal of 540220025 is 520022045.

It is not a de Polignac number, because 540220025 - 2⁶ = 540219961 is a prime.

It is a super-2 number, since 2×540220025² = 583675350822001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540219979 and 540220006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287489 + ... + 289361.

It is an arithmetic number, because the mean of its divisors is an integer number (28466060).

Almost surely, 2^540220025 is an apocalyptic number.

It is an amenable number.

540220025 is a deficient number, since it is larger than the sum of its proper divisors (142965415).

540220025 is a wasteful number, since it uses less digits than its factorization.

540220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 540220025 is about 23242.6337793289. The cubic root of 540220025 is about 814.4358699115.

The spelling of 540220025 in words is "five hundred forty million, two hundred twenty thousand, twenty-five".